As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE LT MLG "GREEN SAFE" LIGHT EXTINGUISHED AT 500' AGL, SHORT FINAL. A MISSED APPROACH WAS EXECUTED. LANDING GEAR WAS CYCLED AND LOWERED WITH PROCEDURE "A". OPERATIONS WAS INFORMED AND DECISION WAS MADE. EMERGENCY DECLARED WITH APPROACH FOR FIRE TRUCK. LANDING WAS UNEVENTFUL. MX R & R THE LIGHT BULB ON THE LANDING GEAR INDICATOR. PERFORMED AN OPS CHECK OF LANDING GEAR SYSTEM. SYS OPS CHECKS GOOD IAW MM 32-10-0.